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113540401 = 1316695233
BaseRepresentation
bin1101100010001…
…11110100110001
321220122110011001
412301013310301
5213031243101
615133322001
72546035402
oct661076461
9256573131
10113540401
11590aa647
1232036301
131a6a4990
14111179a9
159e7b901
hex6c47d31

113540401 has 8 divisors (see below), whose sum is σ = 122370920. Its totient is φ = 104723712.

The previous prime is 113540393. The next prime is 113540407. The reversal of 113540401 is 104045311.

It can be written as a sum of positive squares in 4 ways, for example, as 27050401 + 86490000 = 5201^2 + 9300^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113540401 - 23 = 113540393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113540407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19081 + ... + 24313.

It is an arithmetic number, because the mean of its divisors is an integer number (15296365).

Almost surely, 2113540401 is an apocalyptic number.

It is an amenable number.

113540401 is a deficient number, since it is larger than the sum of its proper divisors (8830519).

113540401 is a wasteful number, since it uses less digits than its factorization.

113540401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6915.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 113540401 is about 10655.5338205085. The cubic root of 113540401 is about 484.2282706782.

Adding to 113540401 its reverse (104045311), we get a palindrome (217585712).

The spelling of 113540401 in words is "one hundred thirteen million, five hundred forty thousand, four hundred one".

Divisors: 1 13 1669 5233 21697 68029 8733877 113540401